Health
Cost-effective canopy protects healthcare workers from COVID infections during ventilation
The image shows the constant flow canopy system described in the research letter. A flexible plastic canopy forms an air chamber over the patient’s body. The air chamber is connected to a filtration system that purifies and pushes back the air. Credit: Prof. Yochai Adir
According to the research letter, researchers can help protect health care workers at risk of airborne coronavirus infection while providing non-invasive ventilation or oxygen delivery through a high flow nasal cannula (HFNC), a cost-effective approach. Designed a highly effective constant flow rate plastic canopy system European Respiratory Journal.
Non-invasive ventilation or HFNC ventilation support is often used to treat people with severe symptoms of respiratory failure Coronavirus A disease that helps a person with dyspnea to breathe by pushing compressed air into the lungs through a mask that covers the mouth and nose. This will reduce the need for invasive ventilator on demand, but there is concern about the increased risk of infection for health-care workers who treat patients with non-invasive respiratory support.
Professor Yochai Adir of the Lung Division of Lady Davis Carmel Medical Center in Israel headed the research team. He explained: “The current crisis has led to a lack of access to access Negative pressure Facility and invasive ventilator. This means that they need to be adapted so that they can continue to treat patients as much as possible while protecting the health and safety of health care workers.
“Non-invasive ventilation is one solution to this, but it can increase the risk of infection for health care workers. Virus particles Leaks in the mask, airflow velocity and direction, or the patient’s cough may cause them to float in the air. The constant flow canopy system we designed and built health care worker“Exposure to this potentially dangerous situation.”
A flexible plastic canopy forms an air chamber over the patient’s body. The canopy is connected to a system that includes a high quality air filter that cleans the air and an electric fan that creates negative pressure and pulls the filtered air into the atmosphere. The canopy system can be used to support up to 4 patients at a time.
Researchers have tested the plastics used in the design of canopies against international standards that do not pass fluids or particles, but evaluate effectiveness based on the number and size of airborne particles that pass through the material. Has been said.
Professor Adil said: “We have installed this cost-effective system in our hospital to help provide non-invasive ventilation support, minimizing the risk of infection and providing it to our medical staff. It enables an alternative to mechanical ventilation in patients with coronavirus. Infections that may not be treated due to lack of equipment. ”
Researchers say that physical barriers created by the canopy between the patient and medical staff can make treatment management difficult. Canopy The system can be difficult to install in a small treatment room.
Professor Leo Heunks is an expert in intensive care medicine at the European Respiratory Society and is not involved in this study. He said: “Critical care systems face unprecedented challenges due to coronavirus pandemics, so it is important to come up with ways to relieve pressure on us. Health care A system that does not compromise the safety of healthcare professionals. The design outlined in this research paper offers an interesting approach to treating patients in need of respiratory support and, importantly, a clear focus on protecting the health of frontline medical staff. I am guessing. ”
Adir Y, Segol O, Kompaniets D, etc. COVID-19: Minimizes risk to health care workers during aerosol-generated respiratory therapy using an innovative constant flow canopy. European Respiratory Journal (2020). DOI: 10.1183 / 13993003.01017-2020
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The cost-effective canopy protects healthcare workers from COVID infection during ventilation (April 21, 2020)
Acquired on April 21, 2020
From https://medicalxpress.com/news/2020-04-cost-effective-canopy-health-workers-covid.html
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